Luminaire



FIG. 1 is a first side elevational view, the reverse side being the same;

FIG. 2 is a top view,

FIG. 3 is a second side elevational view, the opposite side being the same,

FIG. 4 is a bottom view, and,

FIG. 5 is an enlarged fragmentary top perspective view, the luminaire being fragmentarily shown for convenience of illustration. 

The ornamental design for a luminaire, as shown and described. 